2181290842706 has 8 divisors (see below), whose sum is σ = 3278654820480. Its totient is φ = 1088405902548.

The previous prime is 2181290842699. The next prime is 2181290842711. The reversal of 2181290842706 is 6072480921812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119758186 + ... + 1119760133.

It is an arithmetic number, because the mean of its divisors is an integer number (409831852560).

Almost surely, 2^{2181290842706} is an apocalyptic number.

2181290842706 is a deficient number, since it is larger than the sum of its proper divisors (1097363977774).

2181290842706 is a wasteful number, since it uses less digits than its factorization.

2181290842706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239518808.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 2181290842706 in words is "two trillion, one hundred eighty-one billion, two hundred ninety million, eight hundred forty-two thousand, seven hundred six".